252666264 has 32 divisors (see below), whose sum is σ = 643587120. Its totient is φ = 82632576.

The previous prime is 252666221. The next prime is 252666287. The reversal of 252666264 is 462666252.

252666264 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98047 + ... + 100590.

Almost surely, 2^252666264 is an apocalyptic number.

252666264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

252666264 is an abundant number, since it is smaller than the sum of its proper divisors (390920856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

252666264 is a wasteful number, since it uses less digits than its factorization.

252666264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198699 (or 198695 counting only the distinct ones).

The product of its digits is 207360, while the sum is 39.

The square root of 252666264 is about 15895.4793573519. The cubic root of 252666264 is about 632.1921316720.

The spelling of 252666264 in words is "two hundred fifty-two million, six hundred sixty-six thousand, two hundred sixty-four".